[PATCH RFC 4/8] xfs: port to fs_bdev_file_open_by_path()

[Christian Brauner <brauner@kernel.org>]

Route opens through fs_bdev_file_open_by_path() so each external device
is registered against mp->m_super, and convert the matching releases.

Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
---
 fs/xfs/xfs_buf.c   |  2 +-
 fs/xfs/xfs_super.c | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 580d40a5ee57..3d3b29edb156 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1601,7 +1601,7 @@ xfs_free_buftarg(
 	fs_put_dax(btp->bt_daxdev, btp->bt_mount);
 	/* the main block device is closed by kill_block_super */
 	if (btp->bt_bdev != btp->bt_mount->m_super->s_bdev)
-		bdev_fput(btp->bt_file);
+		fs_bdev_file_release(btp->bt_file, btp->bt_mount->m_super);
 	kfree(btp);
 }
 
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index f8de44443e81..304667210695 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -400,8 +400,8 @@ xfs_blkdev_get(
 	blk_mode_t		mode;
 
 	mode = sb_open_mode(mp->m_super->s_flags);
-	*bdev_filep = bdev_file_open_by_path(name, mode,
-			mp->m_super, &fs_holder_ops);
+	*bdev_filep = fs_bdev_file_open_by_path(name, mode,
+			mp->m_super, mp->m_super);
 	if (IS_ERR(*bdev_filep)) {
 		error = PTR_ERR(*bdev_filep);
 		*bdev_filep = NULL;
@@ -526,7 +526,7 @@ xfs_open_devices(
 		mp->m_logdev_targp = mp->m_ddev_targp;
 		/* Handle won't be used, drop it */
 		if (logdev_file)
-			bdev_fput(logdev_file);
+			fs_bdev_file_release(logdev_file, mp->m_super);
 	}
 
 	return 0;
@@ -538,10 +538,10 @@ xfs_open_devices(
 	xfs_free_buftarg(mp->m_ddev_targp);
  out_close_rtdev:
 	 if (rtdev_file)
-		bdev_fput(rtdev_file);
+		fs_bdev_file_release(rtdev_file, mp->m_super);
  out_close_logdev:
 	if (logdev_file)
-		bdev_fput(logdev_file);
+		fs_bdev_file_release(logdev_file, mp->m_super);
 	return error;
 }
 

-- 
2.47.3